<?PHP	
	foreach($tree as $k=>$t):
?>
	<option value="<?php echo $t['id'];?>" <?php if($DATA["node_groupid"]==$t['id']){?> selected="selected"<?php }?>><?php echo $css.$t['title'];?>&nbsp;&nbsp;&nbsp;&nbsp;</option>
	<?PHP
	if(isset($t['son']) and is_array($t['son']) and count($t['son'])>0){
		$this->load->view('admin_node/menu',array('tree'=>$t['son'],'css'=>'&nbsp;&nbsp;&nbsp'.$css));
	}
	?>
<?PHP endforeach; ?>